20384738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 14607262

約数列:

[1, 2, 11, 22, 29, 58, 89, 178, 319, 359, 638, 718, 979, 1958, 2581, 3949, 5162, 7898, 10411, 20822, 28391, 31951, 56782, 63902, 114521, 229042, 351461, 702922, 926579, 1853158, 10192369, 20384738]

約数ペア:

[(1, 20384738), (2, 10192369), (11, 1853158), (22, 926579), (29, 702922), (58, 351461), (89, 229042), (178, 114521), (319, 63902), (359, 56782), (638, 31951), (718, 28391), (979, 20822), (1958, 10411), (2581, 7898), (3949, 5162)]